Added missing namespace to test (#5214)

Author: staabm

tests/PHPStan/Rules/Methods/AbstractMethodInNonAbstractClassRuleTest.php

@@ -65,8 +65,8 @@ public function testNonAbstractMethodWithNoBody(): void
 	{
 		$this->analyse([__DIR__ . '/data/bug-4244.php'], [
 			[
-				'Non-abstract method HelloWorld::sayHello() must contain a body.',
-				5,
+				'Non-abstract method Bug4244\HelloWorld::sayHello() must contain a body.',
+				7,
 			],
 		]);
 	}

tests/PHPStan/Rules/Methods/data/bug-4244.php

@@ -1,5 +1,7 @@
 <?php declare(strict_types = 1);
 
+namespace Bug4244;
+
 class HelloWorld
 {
 	public function sayHello(): void;